Home / 970,644.38-1,339,430.30-535,042.64

Finding the Fourth Proportional to 970,644.38, 1,339,430.30 and 535,042.64

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Solution

The fourth proportional to 970,644.38, 1,339,430.30 and 535,042.64 is: 738,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,644.38 : 1,339,430.30 = 535,042.64 : x
  2. Step 2: Convert to fraction form
    970,644.38/1,339,430.30 = 535,042.64/x
  3. Step 3: Cross multiply
    970,644.38x = 1,339,430.30 × 535,042.64
  4. Step 4: Simplify right side
    970,644.38x = 716,652,323,807.99
  5. Step 5: Solve for x
    x = 716,652,323,807.99/970,644.38
  6. Step 6: Final answer
    x = 738,326.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.